 A new study combining data from ESO's Very Large Telescope and ESA's XMM-Newton X-ray space observatory has turned up a surprise. Most of the huge black holes in the centres of galaxies in the past 11 billion years were not turned on by mergers between galaxies, as had been previously thought. For more information about Updates, Click on the titles: \ A new study combining data from ESO's Very Large Telescope and ESA's XMM-Newton X-ray space observatory has turned up a surprise. Most of the huge black holes in the centres of galaxies in the past 11 billion years were...  |
Harvard Astronomers have discovered a pair of white dwarfs --burned-out cores of stars like our Sun--spiraling into one another at breakneck speeds. These white dwarfs are so near they make a complete orbit in just 13 minutes, but they are...  |
A brilliant physicist João Magueijo asks the heretical question: What if the speed of light—now accepted as one of the unchanging foundations of modern physics—were not constant? "A number of surprising observations made at the threshold of the 21st century...  |
This composite Chandra X-ray (blue and green) and optical (red) image of the active galaxy, NGC 1068, shows gas blowing away in a high-speed wind from the vicinity of a central supermassive black hole. Regions of intense star formation in...  |
NASA Rockets cutting the very edge of space are probing mysterious electric currents found in the uppermost reaches of the ionosphere that can disrupt communications and GPS satellites that beam signals through it. To study the ionosphere, scientists are launching...  |
Mystery From the Sun: Huge Solar Storm Still Puzzles 11 Years Later One million degree hot solar plasma travels along magnetic loops in the sun's atmosphere during the Bastille Day solar storm of 2000. Eleven years ago this week, one... Provided by The Daily Galaxy |
jueves, 14 de julio de 2011
Mystery Solved: What Triggers a Sleeping Black Hole's Violent Outbursts at a Galaxy's Center & 5 new Items
